Section 216, THE CRIMINAL PROCEDURE ACTS, 1965

Sentence of death shall not be pronounced or recorded against a person convicted of any offence if it appears tothe Court that at the time when the offence was committed he was under the age of eighteen years; but in lieu thereof the court shall sentence him to be detained during Her Majesty's pleasure and if so sentenced, he shall be liable to be detained in such place and under such conditions as the Governor-General may direct, and whilst so detained shall be deem to be in legal custody. Discharge of persons detained under section 215.